20492+4525 COU 2646
20h 49m 11.60s +45° 24' 39.8" P.A. 266.00 sep 0.4 mag 10.47,10.85 Sp B1:V:npe dist. 450.45 pc (1469.37 l.y.)
| Coord 2000 |
20492+4525 |
|
Discov num |
COU2646 |
|
Comp |
|
|
Coord arcsec 2000 |
20 49 11.60 +45 24 39.8 |
|
| Date first |
1990 |
|
Date last |
2014 |
|
Obs |
5 |
|
| Pa first |
263 |
|
Pa last |
265.7 |
|
P.A. Now (θ) |
265.7° |
|
| Sep first |
0.3 |
|
Sep last |
0.384 |
|
Sep. Now (ρ) |
0.384" |
|
| Mag pri |
10.47 |
|
Mag sec |
10.85 |
|
delta mag (ΔM) |
0.38 |
|
Spectral class |
B1:V:npe (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
102754 |
|
Tycho2 |
3575-02662-1 |
|
Gaia DR2 |
2166243446675204864 |
|
| BD |
BD+44 3594 |
|
Distance |
450.45 |
|
Distance ly |
1469.37 |
|
